diff --git a/src/main/kotlin/de/bixilon/pixlyzer/physics/tests/input/SprintExtractor.kt b/src/main/kotlin/de/bixilon/pixlyzer/physics/tests/input/SprintExtractor.kt
index 6e6b99a..03e0ea1 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/physics/tests/input/SprintExtractor.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/physics/tests/input/SprintExtractor.kt
@@ -89,6 +89,36 @@ class SprintExtractor : LocalPlayerExtractor() {
         storeSprint()
     }
 
+    @ExtractorMethod
+    fun waterStartSprint() {
+        player.teleport(17.0, 9.0, 8.0)
+        world.fill(10, 8, 5, 20, 8, 15, Blocks.STONE.defaultState)
+        world.fill(10, 9, 5, 20, 9, 15, Blocks.WATER.defaultState)
+        player.setKeys(forwards = true, sprint = true)
+        player.tick(20)
+        storeSprint()
+    }
+
+    @ExtractorMethod
+    fun waterStopSprint() {
+        player.teleport(17.0, 9.0, 8.0)
+        world.fill(10, 8, 5, 20, 8, 15, Blocks.STONE.defaultState)
+        world.fill(10, 9, 9, 20, 9, 15, Blocks.WATER.defaultState)
+        player.setKeys(forwards = true, sprint = true)
+        player.tick(20)
+        storeSprint()
+    }
+
+    @ExtractorMethod
+    fun lavaStopSprint() {
+        player.teleport(17.0, 9.0, 8.0)
+        world.fill(10, 8, 5, 20, 8, 15, Blocks.STONE.defaultState)
+        world.fill(10, 9, 9, 20, 9, 15, Blocks.LAVA.defaultState)
+        player.setKeys(forwards = true, sprint = true)
+        player.tick(20)
+        storeSprint()
+    }
+
     @ExtractorMethod
     fun airSprint() {
         player.teleport(17.0, 9.0, 8.0)